Pump.



A. W. BURKS.

PUMP.

APPLICATION FILED AUG. 13. I917.

1,27.2,771, v Patented July 16, 1918.

INVENTEE AT T"? UNITED STATES PATENT OFFICE.

ARTHUR W. BURKS, OF DECATUR, ILLINOIS, ASSIGNOR T0 DECATUR PUMP & MFG.00., OF DECATUR, ILLINOIS, A CORPORATION OF ILLINOIS.

PUMP.

Application filed August 13,

To all whom it may concern:

Be it known that I, ARTHUR W. BURKS, a citizen of the United States aresident of Decatur, in the county of Macon and State of Illinois, haveinvented new and useful Improvements in Pumps, of which the following isa specification.

My invention relates to improvements in pumps and the object of theinvention is the provision of a pump which may be readily assembled andalso disassembled for removal, examination and repair of the valves, andin which the air chamber or compartment forms a cover or top for thevalve and valve chambers, and which is held in place by a singlesecuring means.

To the accomplishment of the foregoing and such other objects as mayhereinafter appear, my invention consists in the combination,construction and. arrangement of parts hereinafte described and thensought to be defined in the appended claims, reference being had to theaccompanying drawings forming a part hereof, and which shows merely forthe purpose of illustrative disclosure, a preferred embodiment of myinvention, it being understood that various changes may be made inpractice within the scope of the claims without digressing from myinventive idea.

The drawing illustrates a view partially in section and partially inside elevation, of a pump constructed according to my invention.

Referring now to the drawing, the numeral 1 designates the cylinder andthe numeral 2 the valve chambers or compartments, the valves themselvesbeing designated 3 and 4.

The top of the with a plurality pump casing is provided of annularshoulders 5 Gopies of this patent may be obtained for five centsSpecification of Letters Patent.

Patented July 16, 1918.

1917. Serial No. 185,851.

about the openings 6, giving access to the valve compartments as shown.Seated on these annular shoulders are the annular ends 7 of the tubularair chamber or compartment 8 which is arcuate in shape and held inposition by means of the bolt 9, the end of which is threaded into thestud or projection 10. It is therefore seen from this construction, thatI have provided a simple and effective means of assembling this pump andgiving access to the valves for examination and repair.

What I claim is:

1. A device of the character described, including in combination withthe cylinder of a pump having valve compartments near each end, withvalves mounted in said compartments, the casing of the pump havingopenings above and in alinement with said valves, said openings beingprovided with annular shoulders, an arcuate tubular air compartmentmember arranged to be positioned on said shoulders and single securingmeans passing through said arcuate shaped member and into the casing soasto form a cover for the valves and also an air compartment.

2. A device of the character described including in combination with thecylinder of a pump having valve compartments near each end, valvesmounted in said compartments, the casing of the pump having openingsabove and in alinement with the valves and also having a projectionlocated between said openings, an arcuate shaped tubular air chambermember mounted on top of said casing with its ends in registration withsaid openings, and a single securing means passing through said arcuateshaped member and into said projection.

ARTHUR W. BURKS.

each, by addressing the Commissioner of Patents,

Washington, D. G.

